Herschel Mammoth Trail Backpack, Black The clean and minimal Trail Mammoth backpack is constructed with lightweight textured nylon and a reinforced base. Performance-driven design and modern aesthetics merge with a wide range of tactical storage options. 210D Nailhead Dobby nylon with premium reinforced base 1,500mm water-resistant coating 13" padded laptop sleeve with key clip and neoprene key chain sleeve Internal multi-loop webbing utility strap Two-way zipper with Prusik cord pulls Dual external micro-mesh water bottle pockets Ripstop rain cover with hidden zippered storage sleeve Contoured shoulder straps with adjustable sternum support Embroidered dimensions and reflective Trail ID label 18"(H) x 9.5"(W) x 7"(D), 18L Imported.